* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

a {
    text-decoration: none;
    color: #666;
}


.yemian {
    position: relative;
    width: 100%;
    height: 500px;
    background-color: pink;
    margin-top: 150px;
}

h1 {
    position: absolute;
    display: inline-block;
    top: 60px;
    left: 280px;
    color: red;
    font-weight: 400;
}

.login_form {
    position: absolute;
    top: 100px;
    width: 300px;
    height: 300px;
    border: 1px solid rgba(0, 0, 0, 0.4);
    margin-left: 60%;
    line-height: center;
    background-color: white;
}

.login_form .title {
    height: 54px;
}

h3 {
    height: 50px;
    text-align: center;
    line-height: 54px;
    color: skyblue;
}

.box {
    height: 190px;
    border-top: 1px solid #f4f4f4;
    border-bottom: 1px solid #f4f4f4;
}

.text_uspa {
    height: 37px;
}

.text_cmu {
    width: 270px;
    height: 37px;
    padding: 0 10px;
    font-size: 14px;
    outline: none;
    margin-left: 10px;
    border: 1px solid #bbbbbb;
    color: black;
    margin-top: 15px;
}

.forget_password {
    position: relative;
    width: 270px;
    height: 20px;
    margin: 5px 0;
    margin: 5px auto;
}

.forget_password a {
    position: absolute;
    right: 0;
    line-height: 18px;
    width: 48px;
    height: 18px;
    font-size: 12px;
    color: #666;
}

.forget_password a:hover {
    color: red;
}

.login_bnt {
    width: 270px;
    height: 37px;
    margin-left: 10px;
    border: 1px solid #bbbbbb;
    margin-top: 5px;
}

.login_submit {
    width: 270px;
    height: 37px;
    background-color: rgba(255, 0, 0, 0.703);
    color: white;
    cursor: pointer;
}

.login_zhuce {
    width: 320px;
    height: 37px;
    background-color: rgba(255, 0, 0, 0.703);
    color: white;
    cursor: pointer;
    margin-top: 30px;
}

.zhuce {
    position: relative;
    width: 270px;
    height: 20px;
    margin: 5px 0;
    margin: 5px auto;
}

.zhuce a {
    position: absolute;
    right: 0;
    top: 9px;
    line-height: 18px;
    width: 48px;
    height: 18px;
    font-size: 12px;
    color: #595959;
}

.zhuce a:hover {
    color: red;
    text-decoration: underline;
}

footer {
    margin-top: 20px;
    font-size: 12px;
}

.wei {
    text-align: center;
}

footer .wei a {
    width: 52px;
    height: 14px;
    padding: 0 20px;
}

footer .wei a:hover {
    text-decoration: underline;
    color: red;
}